Cross reference · Hi-Shear (LISI Aerospace) · Pin-rivet

HL41 cross referenceSPS AICL41, Lockheed ST25D, Boeing ST3M415C

HL41 is a Hi-Shear pin-rivet series on 46 government stock numbers. Its closest equivalents are SPS AICL41, Lockheed ST25D, Boeing ST3M415C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

46 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • AICL41SPS TechnologiesCatalog only, needs approvalon 22 of 46 stock numbers, 24 sizes

Airframer and OEM drawings

  • ST25DLockheed MartinCatalog only, needs approvalon 28 of 46 stock numbers, 28 sizes
  • ST3M415CBoeingCatalog only, needs approvalon 20 of 46 stock numbers, 20 sizes
  • ST2187RTXCatalog only, needs approvalon 11 of 46 stock numbers, 11 sizes
  • ST2263RTXCatalog only, needs approvalon 2 of 46 stock numbers, 2 sizes
8 more on one stock number each: 5112T, 5112T91P, BACB30FN10A6U, BACB30FN5A5U, BACB30FN6A11U, BACB30FN6A5U, BACB30FN8A4U, BACB30FN8A5U
  • 5112TGECatalog only, needs approvalon 1 of 46 stock numbers
  • 5112T91PGECatalog only, needs approvalon 1 of 46 stock numbers, 5 sizes
  • BACB30FN10A6UBoeingCatalog only, needs approvalon 1 of 46 stock numbers
  • BACB30FN5A5UBoeingCatalog only, needs approvalon 1 of 46 stock numbers
  • BACB30FN6A11UBoeingCatalog only, needs approvalon 1 of 46 stock numbers
  • BACB30FN6A5UBoeingCatalog only, needs approvalon 1 of 46 stock numbers
  • BACB30FN8A4UBoeingCatalog only, needs approvalon 1 of 46 stock numbers
  • BACB30FN8A5UBoeingCatalog only, needs approvalon 1 of 46 stock numbers

Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for HL41

Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

Install tooling

Hi-Lok tooling (hex key (holds the pin) and collar driver (howmet hi-lok system))

Hi-Lok in the catalog

What the government paid

DLA awards on 8 of 46 stock numbers, 15 awards from 2023-04-10 to 2026-05-26.

Latest award per stock number: $0.59 to $5.42 each.

DLA production lead time: 19 to 642 days.

Per size in the table below.

DLA prices at DLA quantities, not a quote.Source

DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.

Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.

Sizes by maker

46 stock numbers
Part numbers DLA FLIS lists for HL41 and its equivalents, by stock number
NSNHL41AICL41ST25DST3M415CST2187Last DLA price
5320-01-160-2861HL41-4-2ST25D60-4-2
5315-01-443-4395HL41-4-3
5320-01-161-9299HL41-4-3ST25D60-4-3
5320-00-326-5537HL41-4-15AIC-L-41-5-15ST25D60-5-15ST3M415C08-15ST2187-15
5320-00-367-6352HL41-5-2AIC-L-41-5-2ST25D60-5-2ST3M415C08-2ST2187-02$1.98 2023-05
5320-00-288-3491HL41-5-3AIC-L41-5-1ST25D60-5-3ST3M415C08-3ST2187-03$2.26 2026-05
5320-00-291-5436HL41-5-4AIC-L41-5-4ST25D50-5-4ST3M415C08-4
5320-01-030-2309HL41-5-5ST25D60-5-5
5320-01-053-1049HL41-5-6AIC-L-41-5-6ST25D60-5-6ST3M415C08-6ST2187-06
5320-00-292-6069HL41-5-7AIC-L41-5-7ST25D60-5-7ST3M415C08-7ST2187-07$1.82 2025-11
5320-01-190-5819HL41-5-8AIC-L-41-5-8ST25D60-5-8ST3M415C08-8ST2187-08$0.59 2025-05
5320-01-221-8724HL41-5-9ST25D60-5-9ST2187-09
5320-01-222-8686HL41-5-10ST25D60-5-10ST2187-10
5320-01-221-8725HL41-5-11ST25D60-5-11ST2187-11
5320-01-221-9958HL41-5-12ST25D60-5-12ST2187-12
Show 31 more sizes
More sizes
NSNHL41AICL41ST25DST3M415CST2187Last DLA price
5320-01-221-9959HL41-5-13ST25D60-5-13ST2187-13
5320-01-564-0810HL41-5-16
5320-00-498-7249HL41-6-2ST25D60-6-2$5.42 2026-04
5320-00-498-7250HL41-6-3$1.19 2024-09
5320-00-498-7251HL41-6-4AIC-L-41-6-4ST3M415C3-4
5320-00-291-5439HL41-6-5AICL41-6-5ST3M415C3-5$0.99 2023-04
5320-00-291-5440HL41-6-6AIC-L41-6-6ST3M415C3-6
5320-01-046-2083HL41-6-7AIC-L-41-12-7ST25D60-6-7ST3M415C3-7
5320-01-102-2759HL41-6-8AIC-L-41-6-8ST25D60-6-8
5320-01-078-0320HL41-6-9AIC-L-41-6-9ST25D60-6-9ST3M415C3-9
5320-01-078-0319HL41-6-10AIC-L-41-6-10ST25D60-6-10ST3M415C3-10
5320-01-120-5565HL41-6-11ST25D60-6-11
5320-01-545-7100HL41-6-12
5320-01-239-1353HL41-6-13AIC-L-41-6-13ST25D60-6-13ST3M415C3-13
5320-00-291-5445HL41-8-3AIC-L41-8-3ST25D60-80-3ST3M415C4-3
5320-00-291-5447HL41-8-4AICL41-8-4ST3M415C4-4
5320-00-291-5450HL41-8-5AIC-L41-8-5ST3M415C4-5
5320-01-138-4240HL41-8-6AIC-L-41-8-6ST25D60-8-6
5320-00-291-5451HL41-8-7AICL41-8-7ST25D60-8-7ST3M415C4-7
5320-01-138-5551HL41-8-8AIC-L-41-8-8ST25D60-8-8ST3M415C4-8
5320-00-291-5444HL41-8-10AICL41-8-10ST25D60-8-10ST3M415C4-10
5320-01-333-8136HL41-8-11
5320-01-269-0872HL41-8-12ST25D60-8-12$3.90 2024-02
5320-01-621-1544HL41-8-16
5306-01-615-0537HL41-10-5
5320-01-338-2871HL41-10-6
5306-01-615-0536HL41-10-7
5306-01-615-0533HL41-10-8
5306-01-615-0520HL41-10-9
5306-01-615-0524HL41-10-11
5320-01-621-1473HL41-14-16

Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist.

Sources and how to read this page.Details

Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.

Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply classes 5306 Bolts, 5315 Nails, machine keys and pins, 5320 Rivets. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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